Ohaeles h



(No Model.)

0. H. WILLCOX & C. OARLETON.

SEWING MACHINE.

No; 276,112. Patented Apr-.17, 1883 V l7) art/Z578 UNITED STATES Fries.

PATENT CHARLES H. \VILLCOX, OF NEW YORK, N. Y., AND CYRUS CARLETON, OFPROVIDENCE, RHODE ISLAND, ASSIGNORS TO THE WILLCOX & GIBBS SEWINGMACHINE COMPANY, OF

SEWING- NEW YORK, N. Y.

MACHINE.

SPECIFICATION forming part of Letters Patent No. 276,112, dated. April17, 1883,

Application filed December 11,1882. (No model.)

To all whom it may concern Be it known that we, CHARLES H. WILLcox, ofNew York city, in the county and State of .New York, and CYRUSCARLE'ION, of Provi- 5 dence, in the county of Providence and State ofRhode Island, have invented a new and useful Improvement in Mechanismfor Operating the Needle-Lever in Sewing-Machines, and for otherpurposes, which improvement is fully set forth in the followingspecification.

This invention relates more particularly to sewing-machines in which theneedle-lever is operated bya connection-rod outside the gooseneck orstationary arm from an eccentric adjacent to the hand or fly wheel ordriven pulley, although it is in part applicable to othersewing-machines, and to machines for purposes other than sewing.

It has for its object to prevent threads from 2 the machine or loosethreads lying on the work-table being accidentally caught between theconnecting-rod and the hub of the wheel or pulley and drawn into thejoint when the.

machine is in operation; and it has thefurther object of preventing thelubricating-oil from spreading, and especially from getting on the saidwheel or pulley, and thus being liable to soil the hands of the personrunningthe machine or the material on the work-table. To

0 accomplish these and other objects the following dispositions areadopted.

, First. The wheel or pulley is provided with or has combined with it aflange or boss, which extends into a counterbored recess in the'adjacent face of the connecting-rod. The said flange and recess are botheccentric to the shaft-axis to follow the motions imparted to theconnecting-rod. adjacent faces of the connecting-rod and said 40 flangeis therefore hid within the connectingrod, and the liability of threadsor other foreign matters working into it is practically obviated. Shoulda thread be caught by the wheel or pulley, it would simply be wound 5around the hub thereof, and not interfere with the operation. The flangeaforesaid may be made integral or in one piece with the wheel or pulley,or with the eccentric which operates the connection-rod, or with boththe wheel or The joint between the pulley and eccentric; or it may befastened to either or both in any suitable way; or it may be separatefrom either, being placed on or forming part of a collar on the shaft orthe shaft itself. Preferably it is made in one piece with the wheel orpulley and the eccentric.

Second. The connection-rod which imparts movement to the needle'lever ispreferably a ball-eccentric, and the aforesaid flange or annularprojection and the recess for containing the same are adapted to allowthe desired motion to the connection-rod on said eccentric.

Third. The flange or boss is constructed to project radially beyond itssupport, and is provided with a thin circumferential edge, which iscontained in the recess made therefor. 6 The revolution of the flange orboss causes the oil thereon to move centrifugally. The flange beinginclosed in the connecting-rod, the oil therefrom cannot be thrownoutside, but, being caught by the inclosing-walls, will run down to thelower part of the connection-rod and drop upon the table or into adrip-cup placed beneath. Since the oil will come mostly from theeccentric, it will obviously be intercepted by the flange or boss, whichwill throw it off 7 into therecessin the connection-rod. Oil may,however, drop down from above. In order to collect this oil, as well asthat which may escape over the flange or boss when the machine is notrunning, the side of the flangeor boss adjacent to the wheel or pulleyis inclined so that the centrifugal force will cause the oil to travelup the incline toward the connectingrod, although some distancetherefrom.

. Fourth. The connection-rod has at its lower end a flange on the sideadjacent to the wheel or pulley, and in the upper part of this flange ismade a groove or channel, which collects any oil flowing down the rodfrom the joint with the needle-lever at the upper end of said rod,conveys it around the eccentric, and allows it to run off the extremelower end or bottom of the rod without passing over the face of theflange. The extreme lower end or bottom of the rod is rounded, so thatthe oil will drop from the middle clear of the wheel or pulley. The oilfrom the upperjoint is thus prevented from getting upon the wheel orpulley.

threads and other foreign matter.

Fifth. WVhen it is desired to prevent the oil I joint with theneedle-lever, and which other spreading over the collars or otherrevolving parts adjacent to bearings, they are provided with a radialflange or boss, which is housed in a counterbored recess in the adjacentframe containing the bearin g.

In the accompanying drawings, which form a part of this specification,Figure 1 is a partial view, in elevation and vertical section, of aWillcox 82; Gibbs single-thread sewing-machine embodying the invention.Figs. 2 and 3 are perspective views, respectively, of theconnection-rodand the fly-wheel or pulley, with eccentrics; and Fig. 4, a verticalsection, showing the application of a portion of the invention to amachine having the fly-wheel or driven pulley immediately adjacent tothe frame or goose-neck.

Referring to Figs. 1,2, and 3, A is the machine-frame; B, the mainshaft; (J, the fly wheel or hand-wheel and driven pulley; D, theneedle-lever; E, the connection-rod; F, the ball-eccentric for operatingsaid lever through said connection-rod; G, a second eccentric, and H aneccentric-rod operated thereby to control the automatic or intermittenttension device I. As shown, these parts are constructed, except in theparticulars to be presently indicated, as custom aryin the Willcox 827Gibbs sewing-machine. The eccentric flange or boss K, which is shown asbeing made in one piece with the wheel 0 and the eccentrics F G, isinclosed in the recess L, which is made in the adjacent face of theconnection-rod E. The said flange or boss K projects radially beyond theadjacent surface N and terminates in a thin edge, which is entirelywithin the recess L. The outer or right-hand face, 1?, is inclined. Theflange or boss K is separated slightly from the shoulder, constitutingthe bottom of the recess L, so as not to interfere with the motion ofthe connection-rod E in adapting itself to the different positions ofthe needle-lever D and eccentric F. The recess L is made of suf ficientdepth to contain the edge of flange or bossK and not at any time touncover it.

Q is the oil'colleeting groove or channel at the bottom of theeccentric-rod.

In operation, the flange or boss K being contained in the recess L, thejoint between the inner face of the flange or boss andthe adjacent faceof the connection-rod is protected by the body of said rod. The jointbetween the edge of the flangein boss K and the inclosingwall of therecess L, being circular, is not liable to catch or to admit theintroduction of The inclined face I? of the flange or boss tends also tomake the thread slip away from thejoint. Any oil escaping from theeccentric-joint, or otherwise getting upon the outer face of the flangeor boss K, will, when the machine is in operation travel up the inclineI by the centrifugal action, and be thrown off against the"inclosing-wall of the recess L. Any oil which may run down theconnection-rod from the wise would run over the outer or right-hand faceof the said rod, is caught by the groove or channel Q and delivered atthe bottom of the eccentric-strap. The lower end or bottom of this strapbeing rounded, so that the lowest point is in the middle, the oil willdrop off said lowest point clear of the rim of the flywheel.

R is a collar, which is fixed on the shaft 13 on theopposite side of theshaft-bearing from the eccentrics. It is provided with a flange or boss,K, which differs from the flange or boss K only in being concentric withthe shaft instead of eccentric thereto. The said flange or boss K fitswithin the recess L in the ma chine-frame, and throws off any oil whichmay get thereon against the inclosing-wall of said recess. The oilisthus prevented from spreading over the body of the collar.

In Fig. 4, A is a portion of the machine frame or goose-neck, and B isthe main shaft of the machine. 0 is a fly-wheel or pulley. Said shaft Bmay be considered as supported in the upper part of the goose-neck andoperating the needle-bar through a direct connection at the front end,or as supported at the lower part thereof and operating the needle froma cam or eccentric within the goose-neck through a. needle-lever orneedle carried by a non-rotating part. For example,

an eccentric flange or boss on the connectionrod mayproject into aneccentric recess in the adjacent face of the wheel and pulley, or aconcentric flange or boss on the machine-frame may project intoa'concentrie recess in the collar or the wheel and pulley. While thislatter arrangement is included in the present iuvention,itis inferior tothat shown, and embodies a part only of the said invention. The runningflange or boss could be made integral with the shaft whereitis necessaryor desirable.

Having now fully described our said invention and the manner of carryingthe same into effect, what we claim is- 1. In a sewing or other machine,the combination, with a. revolving shaft, a wheel or similar devicecarried thereby, and a non-rotatin g partof the machine, recessed on theside adjacent to said wheel, of a flange or boss revolving with saidshaft and wheel and fitting within said recess, substantially asdescribed.

2. The combination, with the wheel and driven pulley of a sewing-machineand an adjacent non-rotating part of the machine, of a boss or flangefitting within a recess and forming an inclosed joint between said wheeland pulley and the adjacent non-rotating part of the machine,substantially as described.

3. The combination of an eccentric, a connection-rod, and an eccentricboss or flange 11' tting within a recess in said connection-rod,substantially as described.

4. The combination of an eccentric, a connection-rod, a wheel or pulleyadjacentto said rod, and a boss or flange fitting within a recess andforminga'n inclosed joint between said rod and the said wheel or pulley,sub-- stantially as described.

5. The combination, with a rotating and a non-rotating part of amachine, of a flange or boss fitting within a recess and having itsouter face inclined substantially as described.

6. The combination, with a rotating and a non-rotating part of amachine, of a rotating flange orvboss fitting within a recess in saidnon-rotating part and having its outer face inclined, substantially asdescribed.

7. The combination, with an eccentric and connection-rod, of aneccentric flange or boss fitting within a recess in said rod and havingits outer face inclined, substantially as described.

S. In a sewing or other machine, the vertical connection-rod providedwith an oil-collecting groove or channel at its lower part,substantially as described.

9. Thecombination, withaball-eccentric and connection-rod, of aneccentric boss or flange tating partsuch as the fly-wheel and pulleyof40 said machine-0t a rotating flange or boss projecting radially beyondthe adjacent surface, and terminating in a thin edge, and fitting withina recess which incloses said edge, substantially as described.

11. The combination, in a sewing-machine, of the needle-lever, theconnection-rod, the eccentric for operating said red, the eccentricflange or boss fitting within a recess in said rod,and the fly or handwheel and driven pulley, substantially as described.

12. The combination, in a sewing-machine, of the needle-lever, theconnection-rod, the eccentric for operating said rod, the eccentricflange or boss liavin the outer face inclined, and a thin circu mt'erential edge inclosed by the walls of said recess, substantially asdescribed.

In testimony whereof we have signed this specification in the presenceof two subscribing witnesses.

OI-IAS. H. WILLGOX. CYRUS (JARLETON.

Witnesses:

GEORGE H. N oBLE, GILMAN E. J OPP.

